2585223 has 24 divisors (see below), whose sum is σ = 4025840. Its totient is φ = 1639440.

The previous prime is 2585179. The next prime is 2585237. The reversal of 2585223 is 3225852.

2585223 = T₃₁₂ + T₃₁₃ + ... + T₃₅₇.

It is not a de Polignac number, because 2585223 - 2¹³ = 2577031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2² + 5⁷ + 8⁴ + 5⁹ + 2¹¹ + 2¹⁴ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14193 + ... + 14373.

2^2585223 is an apocalyptic number.

2585223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2585223 is a deficient number, since it is larger than the sum of its proper divisors (1440617).

2585223 is a wasteful number, since it uses less digits than its factorization.

2585223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 207 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2585223 is about 1607.8628672869. The cubic root of 2585223 is about 137.2458865858.

It can be divided in two parts, 2 and 585223, that added together give a square (585225 = 765²).

The spelling of 2585223 in words is "two million, five hundred eighty-five thousand, two hundred twenty-three".